I don’t know spanish sorry
Answer:
We call the denominator rational.
Step-by-step explanation:
For example:

It's clear that the denominator is now a rational number, not an irrational one anymore.
385.6 square feet is the answer
It will just keep going on as a decimal so you do not need to keep going, three spaces after the decimal should be an acceptable answer.
Answer:
x=-75
Step-by-step explanation: